Home / 609,168,520.51-840,648,044.33-330,702,884.35

Finding the Fourth Proportional to 609,168,520.51, 840,648,044.33 and 330,702,884.35

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Solution

The fourth proportional to 609,168,520.51, 840,648,044.33 and 330,702,884.35 is: 456,367,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,168,520.51 : 840,648,044.33 = 330,702,884.35 : x
  2. Step 2: Convert to fraction form
    609,168,520.51/840,648,044.33 = 330,702,884.35/x
  3. Step 3: Cross multiply
    609,168,520.51x = 840,648,044.33 × 330,702,884.35
  4. Step 4: Simplify right side
    609,168,520.51x = 278,004,732,983,117,696
  5. Step 5: Solve for x
    x = 278,004,732,983,117,696/609,168,520.51
  6. Step 6: Final answer
    x = 456,367,529.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.